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Direct linkAnna Shapiro – Grantee Submission, 2022
There is growing evidence that school starting age impacts children's likelihood of receiving special education services, but less is known about variations in this effect. Using a regression discontinuity design, I found that the youngest students in a kindergarten cohort are 40% more likely (p < 0.001) to be placed in special education than…
Descriptors: Clinical Diagnosis, School Entrance Age, Special Education, Age Differences
Mix, Kelly S.; Levine, Susan C.; Cheng, Yi-Ling; Stockton, Jerri DaSha; Bower, Corinne – Grantee Submission, 2020
A pretest-training-posttest design assessed whether training to improve spatial skills also improved mathematics performance in elementary-aged children. First grade students (mean age = 7 years, n = 134) and sixth grade students (mean age = 12 years, n = 124) completed training in 1 of 2 spatial skills-spatial visualization or form…
Descriptors: Grade 1, Grade 6, Mathematics Achievement, Spatial Ability
